Home / 65,970.10-98,917.65-25,967.40

Finding the Fourth Proportional to 65,970.10, 98,917.65 and 25,967.40

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Solution

The fourth proportional to 65,970.10, 98,917.65 and 25,967.40 is: 38,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,970.10 : 98,917.65 = 25,967.40 : x
  2. Step 2: Convert to fraction form
    65,970.10/98,917.65 = 25,967.40/x
  3. Step 3: Cross multiply
    65,970.10x = 98,917.65 × 25,967.40
  4. Step 4: Simplify right side
    65,970.10x = 2,568,633,690.02
  5. Step 5: Solve for x
    x = 2,568,633,690.02/65,970.10
  6. Step 6: Final answer
    x = 38,936.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.